Abstract
Artificial bacteriorhodopsin (BR) pigments prepared by reconstituting the apoprotein opsin with chemically modified retinals have been shown to have a variety of distinct chemical and spectroscopic properties [1,2]. Initially investigated as models of the biophysical system operating in bacteria, these artificial BR pigments have also become recognized as new materials for optical processing applications. The influence of different retinal chromophores on the chemical, dynamical, and spectroscopic properties of the respective artificial BR pigment can provide new information on the structural changes undergone by the all-trans retinal in the native pigment as well as the associated chromophore-protein interactions.KeywordsSpectroscopic PropertyNative PigmentBiophysical SystemArtificial PigmentRetinal ChromophoreThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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